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Message-ID: <874654d4-3c52-4b0e-944a-dc5822f54a5d@lunn.ch>
Date: Sun, 28 Apr 2024 16:59:40 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Ramón Nordin Rodriguez <ramon.nordin.rodriguez@...roamp.se>
Cc: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, horms@...nel.org, saeedm@...dia.com,
anthony.l.nguyen@...el.com, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, corbet@....net,
linux-doc@...r.kernel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
devicetree@...r.kernel.org, horatiu.vultur@...rochip.com,
ruanjinjie@...wei.com, steen.hegelund@...rochip.com,
vladimir.oltean@....com, UNGLinuxDriver@...rochip.com,
Thorsten.Kummermehr@...rochip.com, Pier.Beruto@...emi.com,
Selvamani.Rajagopal@...emi.com, Nicolas.Ferre@...rochip.com,
benjamin.bigler@...nformulastudent.ch
Subject: Re: [PATCH net-next v4 05/12] net: ethernet: oa_tc6: implement error
interrupts unmasking
> n | name | min | avg | max | rx dropped | samples
> 1 | no mod | 827K | 846K | 891K | 945 | 5
> 2 | no log | 711K | 726K | 744K | 562 | 5
> 3 | less irq | 815K | 833K | 846K | N/A | 5
> 4 | no irq | 914K | 924K | 931K | N/A | 5
> 5 | simple | 857K | 868K | 879K | 615 | 5
That is odd.
Side question: What CONFIG_HZ= do you have? 100, 250, 1000? Try
1000. I've seen problems where the driver wants to sleep for a short
time, but the CONFIG_HZ value limits how short a time it can actually
sleep. It ends up sleeping much longer than it wants.
Andrew
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